extensions of "matrix" <-> "array" tests


git-svn-id: https://svn.r-project.org/R/trunk@62410 00db46b3-68df-0310-9c12-caf00c1e9a41
no ISBNs for help pages and manuals

git-svn-id: https://svn.r-project.org/R/trunk@62412 00db46b3-68df-0310-9c12-caf00c1e9a41
warn about RCA's linking to .so

git-svn-id: https://svn.r-project.org/R/trunk@62414 00db46b3-68df-0310-9c12-caf00c1e9a41
remove the X11 licence

git-svn-id: https://svn.r-project.org/R/trunk@62415 00db46b3-68df-0310-9c12-caf00c1e9a41
show how to find tcl search path

git-svn-id: https://svn.r-project.org/R/trunk@62416 00db46b3-68df-0310-9c12-caf00c1e9a41